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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 |
| Exam Number: | 70-521 |
| Available Languages: | French, Chinese (Simplified), Japanese, German, English, Spanish |
| Real Exam Qty: | Approximately 40-60 |
| Exam Duration: | 150 minutes |
| Passing Score: | 700 (on a scale of 100-1000) |
| Exam Price: | USD 100 (Microsoft standard exam fee, regional pricing may vary) |
| Exam Format: | Case Studies, Multiple Choice, Build List, Hot Area, Drag and Drop |
| Certificate Validity Period: | Certification retired; historical MCPD certifications do not expire |
| Related Certifications: | MCTS: .NET Framework 4, Data Access MCTS: .NET Framework 4, Windows Applications MCTS: .NET Framework 4, Service Communication Applications MCPD Windows Developer 4 |
| Recommended Training: | Microsoft Learning - Retired Certification Resources |
| Exam Registration: | Microsoft Certification Exam Registration (Pearson VUE) |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Delivered through Microsoft testing centers and online proctored exam providers (historical delivery). |
| Pre Condition: | Candidates should hold MCPD Windows Developer 3.5 or MCPD Enterprise Application Developer 3.5 skills/certification background. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/retired-certifications/ |
| Section | Objectives |
|---|---|
| Topic 1: Windows Applications Development | - Develop Windows Presentation Foundation (WPF) applications
|
| Topic 2: Data Access Development | - Manage data transactions and concurrency
|
| Topic 3: Service Communication Applications | - Design and develop WCF services
|
| Topic 4: Application Deployment and Maintenance | - Deploy Windows applications
|
| Topic 5: Application Architecture Design | - Designing the application architecture
|
Three versions of the same study materials, each with its own character: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows with customizable simulation and timed modes that works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 115 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
Candidates should hold MCPD Windows Developer 3.5 or MCPD Enterprise Application Developer 3.5 skills/certification background. Since requirements change over time, confirm the latest on the official Microsoft exam page before scheduling.
The official Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 outline defines 5 domains. The leading three are Application Architecture Design, Windows Applications Development, and Data Access Development. The full list is in the topics section above, and PrepAwayETE's 115 practice questions cover each one.
Microsoft recommends these training resources for the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam:
Follow the training with steady self-testing — the 115 practice questions from PrepAwayETE help you apply theory and fill any gaps the training leaves.
The 70-521 exam is a Microsoft certification exam validating the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 syllabus shown above. It belongs to these credential paths: MCPD Windows Developer 4, MCTS: .NET Framework 4, Windows Applications, MCTS: .NET Framework 4, Service Communication Applications, MCTS: .NET Framework 4, Data Access. Candidates in 2026 prepare for it with PrepAwayETE's 115 practice questions, available as a printable PDF, a Windows Desktop Test Engine, and an Online Test Engine — three versions of the same materials.
The Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam requires 700 (on a scale of 100-1000) to pass, and registration costs USD 100 (Microsoft standard exam fee, regional pricing may vary). A failed attempt means paying the same fee again — a readiness check with the PrepAwayETE engines before booking is the cheaper option.
PrepAwayETE issues a full refund if you take the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
Delivered through Microsoft testing centers and online proctored exam providers (historical delivery). Register for the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam through these official channels:
After booking, PrepAwayETE delivers your practice questions within 1 minute — preparation starts the same day.
The Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam contains Approximately 40-60 to complete within 150 minutes. Timed simulation in the PrepAwayETE Desktop Test Engine teaches that rhythm before exam day does.
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